UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '57PDkyKaCX1w3YjfklFaD6mVNBIKIC04WnqJDX+CTmg=' 
WHERE 
  key_id = '515410da4fc0a3feacc84ce90d488248b37f44103f861a3704c8a86dff1f2e1a' 
  AND (
    token = '57PDkyKaCX1w3YjfklFaD6mVNBIKIC04WnqJDX+CTmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )