INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '502e66b9a69079d7da0a7c401408fb9840cb3e450187cf101fbf59d3b8f14dfb', 
    'R0YIEwJmKNjjQU4OW6U8LdXugbhaO6YXZ56K5eUF3Vo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)