INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '2151398e9ff19b783892c6c6b1267218fc4caabd876c78ec010a79df989b664f', 
    'JkVx0Cc4zY5xyg6EZ0fBQyH3pjCcR7u+no9rFUxdSYc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)