INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a5021c5e4b96b8225671925b0a687fdd976f62e9e44c87118243a9f7970ddf43', 
    'QYI2JN+1G8Y7K2jwK0zl2EY8aCA7mA3N2wxoZbqTji0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)