UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'be9KDA8U+r4Xq2poTYh0zvJvN3DBqfl0DegljB9M28c=' 
WHERE 
  key_id = '756805d56f691db6b84621be4ed47dd3f8386eca4a8bd929f2e71ab17e06c7da' 
  AND (
    token = 'be9KDA8U+r4Xq2poTYh0zvJvN3DBqfl0DegljB9M28c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )