INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '938ca379de7e6c0d627cf6bb79e20593d3bbba7e516e8888d547295d405f3463', 
    'EuZ2SdTco75doKd0tORwJ4m8HCU4LzpT52WQYv6r+As=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)