UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em3roKJucfPt3gWPmy+I0duzEIANqN6EuAmmnFvL0u0=' 
WHERE 
  key_id = '275de54f1019868161424c1c4670eaeea8bdf46260ae6890c685fdf3e41b6d9f' 
  AND (
    token = 'Em3roKJucfPt3gWPmy+I0duzEIANqN6EuAmmnFvL0u0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )