INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ba47128c8132cc9b6683bcf211636a54fbdc3e849af7740e51eefdd21bf02a', 
    'bM7jKgSWjKcD5vprd8SU41QvZpIEw3RWmOXXr9Pn5E0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)