INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51cdd118a800d8c5d0b70dfebf4037cc30167766939d6d82ff422978bbba6602', 
    '+n3BvHThDCtQYTPI+GZd1eb5iIoJYtL38PB0JX7FVEw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)