UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MBOVt75CPaHAI+rnQAVq9yDzShByUuhntGb/CGNBKFE=' 
WHERE 
  key_id = '7ab46a0ee63ad1c02912464acb6b83c9a0e8141a17dc1a8a29a6757f97c7de3e' 
  AND (
    token = 'MBOVt75CPaHAI+rnQAVq9yDzShByUuhntGb/CGNBKFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )