INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '721fddccfdc4078fc0ab7f5cf57cda88b2a4e0246546daa6ba5819100699eba8', 
    'kQ8Mf3kRnqFjrezYqx9/3aElIRNDa51JesiAt239Wbs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)