UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HDMf7XffVF0ncXbUhRpD0vhB6QiaDbsjBLVQT8QscF0=' 
WHERE 
  key_id = '3851ad351108495bb4803e924b630de88e743ad3cd6bd8dd005041f8f3cc4430' 
  AND (
    token = 'HDMf7XffVF0ncXbUhRpD0vhB6QiaDbsjBLVQT8QscF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )