UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'srRMu4zoJIgi4GuxnkMX4eq5fDRfewCiyHp5DdUXePU=' 
WHERE 
  key_id = '24ce329dac7681b0ad5d6de20c5166c33d0824f4c346201d51e60e3236362835' 
  AND (
    token = 'srRMu4zoJIgi4GuxnkMX4eq5fDRfewCiyHp5DdUXePU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )