INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '20f6bf5f7a8d508b1970317a50edcb666313e4e94324a4a682368685b378e82e', 
    'S2xtGro2YGsjx7IndssBOUtF8o/FIyUHaie/zjQzcy0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)