Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '33c25c7d8c49fdd1712dfd62d930716f563cea7b77ff4515aaf736e7cb9d1c82' 
  AND token = 'cgEQP98kFKIefkrb+nRomF4r2Obq6HbplANGe0Zq148=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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