UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'plpvUy6PjzCaBCmj6/9E2ncCK1bnNnOhAwDilQ6PmXc=' 
WHERE 
  key_id = '6bed56f4ff3f4831e51bfa7dc760c32b2eec912146baf68a6d0b203e11b1fa3e' 
  AND (
    token = 'plpvUy6PjzCaBCmj6/9E2ncCK1bnNnOhAwDilQ6PmXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )