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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aafd8bd1e215d94c2220384051b6f0760c81b394c00a0cf15fd28d2245385326' 
  AND token = 'cVQ82FWx30vzGttDHCCQ8A4oYj0NKj6KIL4y22RZod8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}