Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7d14dd15884f4722aaafddeb56901cd8f5904ae0e204defde6f3bd675f755780' 
  AND token = 'MeD71dTLaGgFFmEF/NrH8fjQRSMcEBaICoCpUP3ZadM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}