UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HkLA3QX1GfL682GuGO7BfcIaNDiXNAUR7kmFXFIEAL0=' 
WHERE 
  key_id = '4ef7a6ab2928749076d053009272f46290ae27d80b28593ea9cfbafc9646821b' 
  AND (
    token = 'HkLA3QX1GfL682GuGO7BfcIaNDiXNAUR7kmFXFIEAL0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )