UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aDFy/LhVsKKbDs49VVUxUgeqGA9GeoewVGTvtnQVWEc=' 
WHERE 
  key_id = '8e9fd2c992c19e2aa3befe80f9496063651464ad98792fb0454c0d3278089aed' 
  AND (
    token = 'aDFy/LhVsKKbDs49VVUxUgeqGA9GeoewVGTvtnQVWEc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )