UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SRLDqsk/c/qPeq83C6Ne9XNuG0iaaDFZBWphpyUJdiY=' 
WHERE 
  key_id = '9b471ab58bb9520a8674ad1e0fcad04d5897ad14ad03d739e0b473f3eb5b171d' 
  AND (
    token = 'SRLDqsk/c/qPeq83C6Ne9XNuG0iaaDFZBWphpyUJdiY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )